CN219050523U - Fold spiral shell formula sludge dewaterer - Google Patents

Abstract

The utility model relates to a fold spiral shell formula sludge dewaterer relates to sludge dewatering technical field, for the inhomogeneous problem of flocculating agent in mud mixing, it includes flocculation reaction unit and dewatering device, flocculation reaction unit includes the flocculation case, rabbling mechanism and the transfusion system who is used for carrying the medicament, the mud inlet has been seted up on the flocculation case, flocculation incasement portion intercommunication has the mud pipe, the mud pipe is linked together with dewatering device, rabbling mechanism includes the stirring reaction shaft, stirring reaction motor and a plurality of stirring piece group, stirring reaction motor sets up in the top of flocculation case, stirring reaction shaft is vertical to be set up in the flocculation incasement, stirring reaction shaft connects on stirring reaction motor's output, a plurality of stirring piece group all can dismantle the setting on stirring reaction shaft, each stirring piece group all includes two stirring paddles and cover solid ring, the cover solid ring can be dismantled and is connected on stirring reaction shaft, two stirring paddles all connect on the outer wall of cover solid ring. The application has the effect of evenly mixing.

Description

Fold spiral shell formula sludge dewaterer

Technical Field

The application relates to the technical field of sludge dewatering, in particular to a spiral-pile type sludge dewatering machine.

Background

The sludge is a necessary product after sewage treatment in a sewage treatment plant and a sewage station, secondary pollution is directly brought to water and the atmosphere after the sludge which is not treated by very good treatment enters the environment, and serious threat is also formed to ecological environment and human activities, so that the sludge treatment is very careful, a large amount of sludge is generated after the sewage is subjected to precipitation treatment, the water content is still up to 96 percent even though the sewage is subjected to concentration and digestion treatment, the volume is very large, the sludge is difficult to be absorbed and treated, the solid content of mud cakes is increased through dehydration treatment, and the occupied area of sludge stacking is reduced.

The related patent of the prior authorized publication number CN203807324U provides an explosion-proof spiral-fold sludge dehydrator, which comprises a dehydration filtering main body, a flocculation mixing tank and a control system; the outlet of the flocculation mixing tank is connected with the inlet of the dehydration filtering main body; a spiral propelling shaft is arranged in the dehydration filtering main body and is connected with the output end of the first control motor; a stirring device is arranged in the flocculation mixing tank and is connected with the output end of the second control motor; the first control motor and the second control motor are controlled by a control system; the first control motor and the second control motor are explosion-proof motors; the motor and the control system on the spiral-fold sludge dewatering machine are set to be the explosion-proof motor and the explosion-proof PLC control system with the primary explosion-proof level, so that the dewatering machine can be used in environments with strict explosion-proof requirements such as underground coal mines, gas drainage stations of coal mines and the like

In carrying out the present application, the inventors have found that at least the following problems exist in this technology: the dehydrator used at present can generate uneven mixing when mixing flocculant and sludge, so that the waste of flocculating agent is caused, and the flocculating effect of sludge treatment is affected, so that the dehydrator needs to be improved.

Disclosure of Invention

In order to solve the problem of uneven mixing of a flocculant in sludge, the application provides a spiral-pile type sludge dewatering machine.

The application provides a fold spiral shell formula sludge dewaterer adopts following technical scheme:

the utility model provides a fold spiral shell formula sludge dewaterer, includes flocculation reaction device and dewatering device, flocculation reaction device includes flocculation case, rabbling mechanism and is used for carrying the infusion mechanism of medicament, the mud mouth has been seted up on the flocculation case, flocculation incasement portion intercommunication has the mud pipe, the mud pipe is linked together with dewatering device, rabbling mechanism includes stirring reaction shaft, stirring reaction motor and a plurality of stirring piece group, stirring reaction motor sets up in the top of flocculation case, stirring reaction shaft is vertical to be set up in the flocculation case, stirring reaction shaft connects on stirring reaction motor's output, a plurality of stirring piece group all can dismantle the setting on stirring reaction shaft, each stirring piece group all includes two stirring paddles and cover solid ring, cover solid ring can dismantle the connection on stirring reaction shaft, two stirring paddles all connect on the outer wall of cover solid ring.

The existing dehydrator can generate uneven mixing when mixing the flocculant with the sludge, so that the waste of flocculating agent is caused, and the flocculation effect of sludge treatment is affected; by adopting the technical scheme, the dehydrator comprises a flocculation reaction device and a dehydration device, wherein the flocculation reaction device comprises a flocculation box, a stirring mechanism and a transfusion mechanism; when the sludge enters the flocculation tank through the sludge inlet, the stirring reaction motor works, the stirring reaction shaft rotates, a plurality of stirring paddles rotate along the rotation direction of the stirring reaction shaft, at the moment, the infusion mechanism sprays flocculating agents into the flocculation tank, so that the flocculating agents and the sludge are uniformly and fully mixed for reaction, the reacted sludge enters the dehydration device through the sludge conveying pipe for dehydration treatment, and finally dehydrated sludge cakes are extruded; through the setting of a plurality of stirring paddles, cover solid ring, stirring reaction axle etc. help realizing the intensive mixing of flocculation medicament and mud, improve the homogeneity of mixing, guaranteed the flocculation effect, improved the solid content of mud cake after the follow-up mud dehydration, the detachable setting of cover solid ring simultaneously can suitably increase and decrease stirring paddle's quantity, is applicable to the mud of different contents and handles, has improved the suitability.

Optionally, each stirring blade is provided with the scraper at one end of keeping away from the solid ring of cover, the scraper is laminated mutually with flocculation case inner wall.

By adopting the technical scheme, the end part of the stirring blade is integrally formed with the mud scraping plate; when the stirring reaction motor drives the stirring reaction shaft to rotate, the stirring blade drives the mud scraping plate to rotate, and the mud scraping plate scrapes the mud attached to the inner wall of the flocculation tank; through the setting of scraping the mud board, increased the area of stirring mud, helped improving the stirring efficiency of mud, further improved the homogeneity of mud stirring, guaranteed the inside cleanliness of flocculation case simultaneously, reduced the possibility that mud attached to the flocculation incasement portion.

Optionally, the tip cover of scraping the mud board is equipped with elasticity and scrapes the cover, elasticity scrapes the cover butt on the inner wall of flocculation case.

By adopting the technical scheme, the end part of the mud scraping plate is sleeved with and fixed with an elastic scraping sleeve; through the setting of cover is scraped to elasticity, and the cover is scraped to elasticity adopts the elasticity material, and the texture is soft, has protected flocculation incasement portion not receive the scratch, reduces and scrapes the probability of keeping the scratch when mud of mud board to flocculation incasement wall is scraped, has prolonged flocculation case's life.

Optionally, the one end that the elastic scraping sleeve was kept away from the scraping plate is inclined to set up and scrapes mud inclined plane.

By adopting the technical scheme, the end wall of the elastic scraping sleeve is provided with a mud scraping inclined plane; through the setting of scraping mud inclined plane, further improved elasticity and scraped the cover and to the efficiency of scraping of flocculation incasement wall mud, it is effectual to scrape mud, and it is stable to scrape mud.

Optionally, the infusion mechanism comprises an infusion box, an infusion tube and an infusion pump for extracting the medicament from the infusion box, the infusion box is arranged on the outer wall of the flocculation box, the liquid extracting end of the infusion pump is communicated in the infusion box, the infusion end of the infusion pump is communicated on the infusion tube, and the infusion tube is communicated in the flocculation box

By adopting the technical scheme, the infusion mechanism consists of an infusion box, an infusion tube and an infusion pump; when the stirring reaction motor drives a plurality of stirring paddles to stir the sludge, the infusion pump works, the infusion pump pumps out flocculating agent in the infusion box, the flocculating agent enters the flocculation box through the infusion pipe, and the flocculating agent and the sludge are fully mixed and then react; through the setting of infusion case, transfer line and infusion pump, realize the input of flocculation medicament, convenient operation easily realizes the automation of equipment.

Optionally, a plurality of infusion spray heads are communicated with the infusion tube, a plurality of infusion spray heads are arranged in the flocculation box, and the spray ends of the infusion spray heads are arranged towards the bottom wall of the flocculation box.

By adopting the technical scheme, a plurality of infusion spray heads are communicated with the infusion tube; through the setting of a plurality of infusion shower nozzles, improved the scope of spraying of flocculation medicament, it is even to spray, has guaranteed the flocculation effect after flocculation medicament and mud mixed reaction.

Optionally, the mud conveying pipe is arranged from high to low along one side of the flocculation box, which faces the dewatering device, and a control valve for controlling the on-off of the mud in the mud conveying pipe is arranged on the mud conveying pipe.

By adopting the technical scheme, the mud conveying pipe is arranged from high to low along one side of the flocculation tank, which faces the dewatering device, and the mud conveying pipe is provided with a control valve; through the setting mode of the mud conveying pipe, the reacted mud enters the dehydration device through the mud conveying pipe under the action of self gravity, so that smooth circulation of the reacted mud is ensured, and the dehydration efficiency is improved.

Optionally, the inside of flocculation case is provided with the level gauge that is used for measuring mud liquid level, the overflow mouth has been seted up to the bottom of flocculation case, the opening part of overflow mouth is provided with the overflow valve.

Because the content of the flocculating agent sprayed each time is fixed, the flocculating effect can be influenced when the content of sludge in the flocculation tank is excessive; by adopting the technical scheme, a liquid level meter is arranged in the flocculation tank; when untreated sludge enters the flocculation tank through the sludge inlet, the liquid level meter measures the content of the sludge, when the content of the sludge exceeds a limit of the flocculation tank, the overflow valve is opened, and redundant sludge flows out from the overflow port, so that the sludge in the flocculation tank is lower than a certain limit, and the overflow valve is closed; through the arrangement of the liquid level meter, the overflow valve and the overflow port, the flocculation effect is ensured, the possibility that the flocculant cannot achieve the corresponding effect when the sludge content is too much is reduced, and the subsequent dehydration quality is further ensured.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of a plurality of stirring paddles, a sleeve-fixing ring, a stirring reaction shaft and the like, the full mixing of flocculation agents and sludge is facilitated, the uniformity of mixing is improved, the flocculation effect is ensured, the solid content of mud cakes after the subsequent sludge dehydration is improved, meanwhile, the number of stirring paddles can be appropriately increased and decreased due to the detachable arrangement of the sleeve-fixing ring, and the method is suitable for treating sludge with different contents and improves the applicability;

2. through the arrangement of the mud scraping plate, the area for stirring the sludge is increased, the stirring efficiency of the sludge is improved, the uniformity of stirring the sludge is further improved, meanwhile, the cleanliness of the inside of the flocculation tank is ensured, and the possibility that the sludge is attached to the inside of the flocculation tank is reduced;

3. through the arrangement of the liquid level meter, the overflow valve and the overflow port, the flocculation effect is ensured, the possibility that the flocculant cannot achieve the corresponding effect when the sludge content is too much is reduced, and the subsequent dehydration quality is further ensured.

Drawings

Fig. 1 is a schematic structural diagram of a spiral shell-stacked sludge dewatering machine in an embodiment of the application.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Reference numerals illustrate: 1. a flocculation reaction device; 2. a flocculation tank; 21. a mud inlet; 22. a mud pipe; 23. a control valve; 24. an overflow port; 25. an overflow valve; 3. a stirring mechanism; 31. stirring a reaction shaft; 32. stirring and reacting motor; 33. a stirring sheet set; 331. stirring paddles; 332. sleeving and fixing a ring; 4. an infusion mechanism; 41. an infusion box; 42. an infusion tube; 43. an infusion pump; 5. a dehydration device; 6. a mud scraping plate; 61. an elastic scraping sleeve; 611. a mud scraping inclined plane; 7. an infusion nozzle; 8. a level gauge.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a stacked spiral sludge dewatering machine. Referring to fig. 1 and 2, the spiral-type sludge dewatering machine comprises a flocculation reaction device 1 and a dewatering device 5, wherein the flocculation reaction device 1 comprises a flocculation tank 2, a stirring mechanism 3 and a transfusion mechanism 4 for conveying a medicament, the flocculation tank 2 is of a hollow structure in the embodiment, and a sludge inlet 21 is formed in the top of the flocculation tank 2 and used for allowing untreated sludge to enter the flocculation tank 2.

Referring to fig. 1 and 2, a liquid level meter 8 is installed in the flocculation tank 2, the liquid level meter 8 is used for detecting the liquid level of the sludge, an overflow port 24 is formed in the bottom of the flocculation tank 2, and an overflow valve 25 is installed at the opening of the overflow port 24 and is used for guaranteeing flocculation effect and reducing the possibility that the flocculant cannot reach corresponding effect when the sludge content is excessive.

Referring to fig. 1 and 2, the stirring mechanism 3 comprises a stirring reaction shaft 31, a stirring reaction motor 32 and a plurality of stirring sheet groups 33, the stirring reaction motor 32 is installed at the top of the flocculation tank 2, the output end of the stirring reaction motor 32 penetrates through the flocculation tank 2 and is welded and fixed on the stirring reaction shaft 31, the stirring reaction shaft 31 is vertically arranged in the flocculation tank 2, the stirring sheet groups 33 are detachably installed on the stirring reaction shaft 31, and the length directions of the stirring sheet groups 33 and the stirring reaction shaft 31 are sequentially arranged; the flocculation agent is used for realizing the full mixing of the flocculation agent and the sludge, improving the uniformity of mixing, ensuring the flocculation effect and improving the solid content of the sludge cake after the subsequent sludge dehydration.

Referring to fig. 2, each stirring sheet group 33 includes two stirring blades 331 and a sleeve-fixing ring 332, the two stirring blades 331 are welded and fixed on the outer wall of the sleeve-fixing ring 332, the two stirring blades 331 are oppositely arranged along the center of the sleeve-fixing ring 332, the sleeve-fixing ring 332 is sleeved on the stirring reaction shaft 31, and the sleeve-fixing ring 332 in this embodiment is detachably connected to the stirring reaction shaft 31 in a bolt connection manner; the detachable setting mode of the sleeve fixing ring 332 can appropriately increase or decrease the number of the stirring paddles 331, is suitable for treating sludge with different contents, and improves the applicability.

Referring to fig. 2 and 3, one end of each stirring blade 331 far away from the sleeve-fixing ring 332 is integrally formed with a mud scraping plate 6, and the mud scraping plate 6 is used for scraping the mud attached to the inside of the flocculation tank 2, so as to increase the area for stirring the mud, improve the stirring efficiency of the mud, and simultaneously ensure the cleanliness of the inside of the flocculation tank 2.

Referring to fig. 2 and 3, the end of the mud scraping plate 6 is sleeved and fixed with an elastic scraping sleeve 61, one end of the elastic scraping sleeve 61 away from the mud scraping plate 6 is obliquely provided with a mud scraping inclined surface 611, the elastic scraping sleeve 61 is made of rubber materials in the embodiment, the texture is soft, the inside of the flocculation tank 2 is protected from being scratched, the possibility that scratches are left when the mud scraping plate 6 scrapes the mud on the inner wall of the flocculation tank 2 is reduced, and the service life of the flocculation tank 2 is prolonged.

Referring to fig. 2, the infusion mechanism 4 includes an infusion box 41, an infusion tube 42 and an infusion pump 43 for pumping out the flocculating agent in the infusion box 41, the infusion box 41 is mounted on the outer wall of the flocculation box 2, the flocculating agent is loaded in the infusion box 41, the liquid pumping end of the infusion pump 43 is communicated inside the infusion box 41, the infusion end of the infusion pump 43 is communicated on the infusion tube 42, and the infusion tube 42 is far away from the communication of the infusion pump 43 and is inside the flocculation box 2, so that the flocculating agent is put in.

Referring to fig. 2, a plurality of infusion spray heads 7 are communicated with the infusion tube 42, the infusion spray heads 7 are all installed in the flocculation tank 2, and the spray end of each infusion spray head 7 in the embodiment is arranged towards the bottom wall direction of the flocculation tank 2, so that the spray range of flocculating agent is improved, the flocculating effect after the flocculating agent and sludge mixing reaction is ensured.

Referring to fig. 2, a mud pipe 22 is connected to the flocculation tank 2, one end of the mud pipe 22 away from the flocculation tank 2 is connected to the dewatering device 5, in this embodiment, the height of the flocculation tank 2 is higher than that of the dewatering device 5, the mud pipe 22 is installed from high to low along one side of the flocculation tank 2 facing the dewatering device 5, and a control valve 23 for controlling on-off of sludge in the mud pipe 22 is installed on the mud pipe 22.

The implementation principle of the spiral shell formula sludge dewatering machine of this application embodiment is: when sludge with high water content is treated, untreated sludge is introduced into the flocculation tank 2 through the sludge inlet 21, the liquid level meter 8 detects that the sludge reaches a limit, the continuous introduction of the sludge is stopped, the stirring reaction motor 32 works at the moment, the stirring reaction shaft 31 starts rotating, the stirring blades 331 stir the sludge, the infusion pump 43 works, the infusion pump 43 pumps out flocculating agent, the flocculating agent is sprayed out of the infusion nozzle 7 through the infusion pipe 42, the flocculating agent and the sludge are fully mixed and react, the control valve 23 is finally opened, the treated sludge enters the dehydration device 5 through the sludge conveying pipe 22 for dehydration, and finally dehydrated sludge cakes are extruded; through the setting of a plurality of stirring paddles 331, cover solid ring 332, stirring reaction shaft 31 etc. helps realizing the intensive mixing of flocculation medicament and mud, improves the homogeneity of mixing, has guaranteed the flocculation effect, has improved the solid content of mud cake after the follow-up mud dehydration, and the detachable setting of cover solid ring 332 simultaneously can suitably increase and decrease stirring paddle 331's quantity, is applicable to the mud of different contents and handles, has improved the suitability.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a fold spiral shell formula sludge dewaterer which characterized in that: including flocculation reaction device (1) and dewatering device (5), flocculation reaction device (1) include flocculation case (2), rabbling mechanism (3) and be used for carrying infusion mechanism (4) of medicament, set up on flocculation case (2) into mud mouth (21), flocculation case (2) inside intercommunication has mud pipe (22), mud pipe (22) are linked together with dewatering device (5), rabbling mechanism (3) are including stirring reaction shaft (31), stirring reaction motor (32) and a plurality of stirring piece group (33), stirring reaction motor (32) set up in the top of flocculation case (2), stirring reaction shaft (31) are vertical to be set up in flocculation case (2), stirring reaction shaft (31) are connected on the output of stirring reaction motor (32), a plurality of stirring piece group (33) all can be dismantled and are set up on stirring reaction shaft (31), each stirring piece group (33) all include two stirring paddle (331) and cover solid ring (332), cover solid ring (332) can be dismantled on stirring reaction shaft (31) and connect on two outer wall (332.

2. The stacked sludge dewatering machine of claim 1, wherein: one end of each stirring blade (331) far away from the sleeve fixing ring (332) is provided with a scraping plate (6), and the scraping plates (6) are attached to the inner wall of the flocculation box (2).

3. The stacked sludge dewatering machine of claim 2, wherein: the end part of the mud scraping plate (6) is sleeved with an elastic scraping sleeve (61), and the elastic scraping sleeve (61) is abutted to the inner wall of the flocculation box (2).

4. A spiral stack sludge dewatering machine as claimed in claim 3, wherein: one end of the elastic scraping sleeve (61) far away from the scraping plate (6) is obliquely provided with a scraping inclined surface (611).

5. The stacked sludge dewatering machine of claim 1, wherein: the infusion mechanism (4) comprises an infusion box (41), an infusion tube (42) and an infusion pump (43) for pumping out the medicament in the infusion box (41), wherein the infusion box (41) is arranged on the outer wall of the flocculation box (2), the liquid pumping end of the infusion pump (43) is communicated in the infusion box (41), the infusion end of the infusion pump (43) is communicated on the infusion tube (42), and the infusion tube (42) is communicated in the flocculation box (2).

6. The stacked sludge dewatering machine according to claim 5, wherein: the infusion tube (42) is communicated with a plurality of infusion spray heads (7), the infusion spray heads (7) are all arranged in the flocculation box (2), and the spray ends of the infusion spray heads (7) are arranged towards the bottom wall of the flocculation box (2).

7. The stacked sludge dewatering machine of claim 1, wherein: the mud conveying pipe (22) is arranged from high to low along one side of the flocculation box (2) towards the dewatering device (5), and a control valve (23) for controlling the on-off of the mud in the mud conveying pipe (22) is arranged on the mud conveying pipe (22).

8. The stacked sludge dewatering machine of claim 1, wherein: the inside of flocculation case (2) is provided with liquid level gauge (8) that are used for measuring mud liquid level, overflow mouth (24) have been seted up to the bottom of flocculation case (2), the opening part of overflow mouth (24) is provided with overflow valve (25).

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